Japanese prosecutors will likely decide again not to indict three former Tokyo Electric Power Co executives over their handling of the 2011 Fukushima nuclear disaster, according to local media, but a rarely used citizen's panel could still force an indictment.

Japanese prime minister Shinzo Abe is re-elected by parliament, setting the stage for a new cabinet with a defence minister whose support for Japan having a stronger pre-emptive strike capability could rile China.

Australia is one of two countries chosen by the United States to service the F-35 Joint Strike Fighter in the Pacific region, but the decision has already brought rivalries to the fore between two Asian neighbours.

Japanese prime minister Shinzo Abe's ruling coalition cruises to a big election win, but poor turnout could weaken his claim of a mandate for policies including reflationary steps to revive the economy.

China's president Xi Jinping says no-one can deny the Nanjing massacre, as the country for the first time held a national day of remembrance for the Japanese military rampage that Beijing says killed 300,000 people.